Recall - EGR Vacuum Source Hoses May be Plugged: Overview
Model Year 1983Bulletin No. 83-C-6
File in Group 64
Number 14
Date Nov. '83
SUBJECT: EGR VACUUM SOURCE HOSES MAY BE PLUGGED
MODELS AFFECTED: 1983 CENTURYS EQUIPPED WITH 3.0L (VIN E) ENGINES
General Motors has determined that certain 1983 Centurys equipped with 3.0L Federal/California V-6 engines may be emitting pollutants in excess of Federal/California Emission Standards. The EGR vacuum source hoses located in the emission harness connector at the EGR solenoid may be plugged and not allowing the EGR valve to operate, resulting in an increase of exhaust emissions.
To correct this condition on these vehicles, dealers are to inspect the EGR vacuum supply hoses and clear the restriction as instructed in the Technical Procedure of this bulletin.
VEHICLES INVOLVED
Certain 1983 Centurys equipped with 3.0L V-6 (VIN E) engines with the following serial numbers:
Assembly Plant From To and Including
Doraville DD440311 DD454714
Dealers are to perform this recall campaign at no change to the owners on affected vehicles, regardless of time, mileage or ownership, and are to correct all affected vehicles in dealer new and used car inventory prior to their sale.
Whenever a vehicle subject to this campaign is taken into your new or used car inventory, or it is your dealership for service in the future, you should take the steps to be sure the Campaign correction has been made.